Modularised signal libc stuff into m_libcsignal.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3870 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/Makefile.am b/coregrind/Makefile.am
index 7e11f44..3769b92 100644
--- a/coregrind/Makefile.am
+++ b/coregrind/Makefile.am
@@ -50,6 +50,7 @@
 	pub_core_libcassert.h	\
 	pub_core_libcfile.h	\
 	pub_core_libcprint.h	\
+	pub_core_libcsignal.h	\
 	pub_core_main.h		\
 	pub_core_mallocfree.h	\
 	pub_core_options.h	\
@@ -95,6 +96,7 @@
 	m_libcassert.c \
 	m_libcfile.c \
 	m_libcprint.c \
+	m_libcsignal.c \
 	m_main.c \
 	m_mallocfree.c \
 	m_options.c \